Error "Invalid argument supplied for foreach()[.../api/classes/class.ctemplate.php:565]" appears in the Zabbix frontend.

Error "Invalid argument supplied for foreach()[.../api/classes/class.ctemplate.php:565]" appears in the Zabbix frontend when in the Configuration->Hosts reports in the drop-down filter on the right side of the screen select "Templates". Please see screenshot for details.